Latest Author Articles from Brett Karl....http://www.articleside.comen http://www.articleside.com/shopping-articles/when-you-choose-the-bicycle-repair-parts.htm the frame is usually welded and constituted by plain carbon copper tube. and some up-market bicycle will use low alloy steel pipe instead in order to reduce the weight of tubes and increase strength.... http://www.articleside.com/shopping-articles/bike-repair-experts-repair-it-the-best-way.htm cycles are easy vehicles to be handled. it is easily portable and can be kept in good conditions easily. definitely, one needs to keep oiling the parts as even cycle is made up of different functional...